Cramer & Associates, Inc.

of Grimes, Iowa
Center Street Bridge (Polk County, Iowa)
Contractor, 2010
Steel through arch bridge over Des Moines River on Pedestrian and bicycle trail at the Principal River Walk
Open to pedestrians and bikes only

Columbus Viaduct (Platte County, Nebraska)
Contractor, 2009
Bridge over Union Pacific Overpass on US 30/81
Open to traffic

Grand Avenue Bridge (Polk County, Iowa)
Built 2017
Concrete stringer bridge over Des Moines River
Under construction

High Trestle Trail Bridge (Boone County, Iowa)
Contractor, 2010
Precast concete girder bridge over Des Moines River on High Trestle Trail
Open to pedestrians, with new deck built on original bridge piers

I-380 5-in-1 Bridge (Linn County, Iowa)
Built 1979
Stringer bridge over Cedar River on Interstate 380 and street
Open to traffic